Mitel/Aastra Transaction

February 14, 2014

ACQUISITION OF AASTRA TECHNOLOGIES LIMITED (“Aastra”)

until May 1, 2014:

Section 85 Election Assistance

Tax Election Instructions for the Disposition of Aastra Share

About Mitel

A global market leader in business communications powering more than two billion business connections, Mitel helps businesses and service providers connect, collaborate and provide innovative services to their customers. Our innovation and communications experts serve business users in more than 100 countries. For more information, go to www.mitel.com and follow us on LinkedIn and Twitter @Mitel.

Contact Information

Mitel Public Relations

Email: [email protected]

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